ATS632LSC View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

Manufacturer

ATS632LSC

ZERO-SPEED, SELF-CALIBRATING, NON-ORIENTED, HALL-EFFECT GEAR-TOOTH SENSOR

Allegro MicroSystems 

ATS632LSC

HALL-EFFECT

GEAR-TOOTH SENSOR

SUBASSEMBLY

OPERATION over operating voltage and temperature range with reference target (unless oth-

erwise specified).

Limits

Characteristic

Symbol Test Conditions

Min.

Typ.

Max.

Units

Operating Air Gap Range

AG

Operating,

Target Speed > 20 RPM

0.3

–

1.9

mm

Output Polarity

–

Operating, Over Tooth

Low

Low

Low

–

Operating, Over Valley

High

High

High

–

Timing Accuracy

tθ

Target Speed < 3500 RPM,

0.3 mm ≤ AG ≤ 1.9 mm

–

±0.25

±0.50

°

NOTE: Air Gap is defined as the distance from the face of the sensor subassembly to the target.

TARGET DESIGN CRITERIA

Characteristic

Valley Depth

Valley Width

Tooth Width

Thickness

Eccentricity

Symbol

ht

(PC - T)

T

F

–

Description

Timing accuracy may change

Min.

–

–

–

–

–

Limits

Typ.

Max.

5.0

–

5.0

–

5.0

–

5.0

–

–

±0.25

Units

mm

mm

mm

mm

mm

TARGET DIMENSIONS

Type

Reference Target

Characterization Target #1

Characterization Target #2

Diameter

(Do)

84 mm

84 mm

35 mm

Thickness

(F)

16 mm

16 mm

7 mm

Tooth Width

(T)

9 mm

Valley Width

(PC - T)

13 mm

1 tooth, 180°

1 tooth, 180°

NOTE: Timing accuracy data is taken by recalibrating the unit at each air gap.

Valley Depth

(ht)

5 mm

5 mm

6 mm

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

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